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<refentry>
  <refmeta>
    <refentrytitle>shorewall6-params</refentrytitle>

    <manvolnum>5</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>params</refname>

    <refpurpose>Shorewall6 parameters file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <cmdsynopsis>
      <command>/etc/shorewall6/params</command>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para>Assign any shell variables that you need in this file.</para>

    <para>It is suggested that variable names begin with an upper case letter
    to distinguish them from variables used internally within the Shorewall
    programs</para>

    <para>Example params file:</para>

    <programlisting>NET_IF=eth0
NET_OPTIONS=dhcp,nosmurfs</programlisting>

    <para>Example <ulink
    url="shorewall6-interfaces.html">shorewall6-interfaces</ulink>(5)
    file.</para>

    <programlisting>ZONE    INTERFACE       BROADCAST       OPTIONS
net     $NET_IF         -               $NET_OPTIONS</programlisting>

    <para>This is the same as if the interfaces file had contained:</para>

    <programlisting>ZONE    INTERFACE       BROADCAST       OPTIONS
net     eth0            -               dhcp,nosmurfs</programlisting>
  </refsect1>

  <refsect1>
    <title>FILES</title>

    <para>/etc/shorewall6/params</para>
  </refsect1>

  <refsect1>
    <title>See ALSO</title>

    <para><ulink
    url="http://www.shorewall.net/configuration_file_basics.htm#Variables?">http://www.shorewall.net/configuration_file_basics.htm#Variables</ulink></para>

    <para>shorewall6(8), shorewall6-accounting(5), shorewall6-actions(5),
    shorewall6-blacklist(5), shorewall6-hosts(5), shorewall6-interfaces(5),
    shorewall6-maclist(5), shorewall6-policy(5), shorewall6-providers(5),
    shorewall6-route_rules(5), shorewall6-routestopped(5),
    shorewall6-rules(5), shorewall6.conf(5), shorewall6-tcclasses(5),
    shorewall6-tcdevices(5), shorewall6-tcrules(5), shorewall6-tos(5),
    shorewall6-tunnels(5), shorewall6-zones(5)</para>
  </refsect1>
</refentry>
